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Catalog Number: VPK-5004, VPK-5004-5
Measures the Hepatitis B surface antigen (HBsAg) in purified virus or unpurified viral supernatant
Detection limit of approximately 1 ng/ml
HBsAg standard included
Video: Color Development in an ELISA
Catalog Number: MET-5027
Suitable for use with plasma, serum, urine, and lysates
Detection sensitivity of 37.5 µM homocitrulline or citrulline
Homocitrulline and citrulline standards included
Catalog Number: MET-5122
Detect indole concentration as low as 31 µM
Suitable for urine, fecal samples, and bacterial cultures
Indole standard included